Introduction: The question of whether drinking alcohol is healthy or harmful has been controversial, among many opinions, one believes that drinking a small amount of alcohol can be healthy, while drinking a large amount of alcohol will cause harm to the body.
The other view is that alcohol is harmful to the body and can cause damage to the body no matter how much it is ingested, and both views have their own basis, and it is difficult to judge who is right and who is wrong.
So, is drinking a liquor or two at dinner every day healthy or harmful? For this question, the doctor gave a more pertinent answer. 
The benefits of drinking liquor are as follows:
Promotes sleep and regulates the spleen and stomach
Baijiu is made of grains as raw materials, after a complex process of brewing, which contains a lot of substances that are beneficial to the human body, moderate consumption of liquor can calm the nerves and help sleep, and at the same time, baijiu can stimulate gastric juice and saliva secretion, which helps to regulate the spleen and stomach.
Eliminate fatigue and tension
A small amount of alcohol can eliminate fatigue and relax the nerves of our brain and central nervous system, so drinking a small amount of liquor can eliminate the fatigue and tension of the human body.
Prevention of cardiovascular disease
Moderate consumption of liquor, especially liquor with low concentration, can dilate blood vessels, reduce the sugar content in the blood, reduce cholesterol deposition, and have certain benefits for cardiovascular circulation.
Relaxes muscles and blood and keeps warm from the cold
Baijiu has the effect of invigorating blood and removing blood stasis, relaxing tendons and channels, and at the same time, baijiu contains a lot of calories, which will be quickly absorbed by the body and make people feel warm.
There are many disadvantages of drinking liquor, mainly including the following aspects:
Liver damage
Long-term heavy alcohol consumption will lead to an increase in the burden on the liver, leading to fatty liver, hepatitis, liver cirrhosis and other diseases.
Cardiovascular problems
Drinking alcohol causes an increase in heart rate and blood pressure, increasing the risk of cardiovascular diseases such as heart disease and stroke.
A compromised immune system
Excessive alcohol consumption may affect the normal function of the immune system, leading to an increased risk of infection and susceptibility to illness.
Damage to the nervous system
Long-term excessive alcohol consumption can affect the normal function of the nervous system, leading to mental illness, insomnia, anxiety, and other problems.
Gastrointestinal problems
Drinking alcohol may irritate the digestive tract and cause gastrointestinal inflammation, diarrhea and other problems.
In addition, liquor also contains harmful substances such as fusel oil, aldehydes, and methanol, which can also cause damage to the human body.
For example, fusel oils can cause congestion of the nervous system, causing headaches; The toxic properties of aldehydes, especially formaldehyde, make people have uncomfortable symptoms such as cough, chest pain, and dizziness; Methanol can cause chronic poisoning, headache, dizziness, blurred vision, tinnitus and other symptoms, and in severe cases, blindness.
Lichenin, a non-volatile lipopeptide compound in baijiu, is rumored to be endowed with anti-cancer, antiviral, fibrinolytic and antibacterial biological activities, and this discovery seems to provide strong evidence for the antibacterial, antiviral, antitumor, anticoagulant and cholesterol-lowering effects of baijiu, however, we should not rely too much on baijiu to prevent cancer. Although baijiu contains some nutrients, its main ingredient is still made from grain, and it is important to be clear that alcohol is one of the main causes of many cancers.
The International Agency for Research on Cancer (IARC) has long classified alcohol as a Class 1 carcinogen, which is converted into acetaldehyde in the liver, which is extremely biotoxic.
Although some acetaldehyde can be converted into harmless acetic acid, some residues are still absorbed by the body, and long-term alcohol consumption increases the risk of cancer in at least 7 parts of the body, including the colon, oropharynx, larynx, esophagus, liver, rectum and breast.
Even small amounts of alcohol can increase the risk of cancer, with people who consume more than 50 grams of alcohol per day having 4-7 times the chance of developing cancer compared to non-drinkers.
Therefore, in order to effectively prevent cancer and fight cancer, it is crucial to stay away from alcohol, and only by doing this can we truly achieve the goal of healthy cancer prevention. 
In the traditional Chinese concept, alcohol is endowed with many miraculous effects, such as repelling cold, relaxing, invigorating blood, relieving fatigue, and eliminating appetite and appetizing, but the medical community has a very different view.
In fact, a joint study by the Chinese Academy of Medical Sciences, Peking University, and the University of Oxford found a positive correlation between alcohol consumption and blood pressure levels and stroke risk.
Experts believe that there is no safe amount of alcohol to drink, as long as you drink alcohol, it will increase the risk of disease, and the optimal amount of alcohol consumption is 0!
When alcohol enters the human body, 80% enters the intestines and 20% enters the stomach, and alcohol will first damage the stomach and intestines, and enter the whole body with blood flow.
As the concentration of alcohol in the blood increases, the human body may experience a series of symptoms such as dizziness, excitement, drunkenness, and loss of consciousness, which can even be life-threatening in severe cases.
Alcohol in the blood travels through the blood to various organs and tissues, causing damage throughout the body, and eventually, 90% of the alcohol is processed by the liver. At this point, alcohol can damage the liver far more than other organs.
Therefore, drinking alcohol not only does not bring any benefits, but may cause a series of problems such as liver damage, organ damage, kidney damage, and blood vessel damage, which in turn increases the risk of organ lesions, gastrointestinal diseases, cardiovascular and cerebrovascular diseases, and cancer.
Therefore, we should be vigilant about alcohol, try to avoid alcohol or keep it to a minimum, and at the same time, for those who have already developed a drinking habit, they should also abstain from alcohol as soon as possible to maintain good health. 
In this era of talking about cancer discoloration, cancer has become a lingering shadow in people's hearts.
In fact, the occurrence of cancer is related to a variety of factors, among which acquired lifestyle habits and lifestyles account for a considerable proportion.
Drinking alcohol is widely recognized as a habit that increases the risk of cancer, and while some may argue with the example of people around them who drink alcohol all year round and are still healthy, we must be aware that this generalization is wrong.
In fact, a large number of research data has confirmed the dangers of drinking alcohol. For example, a 2019 study of 510,000 adults in China with a 10-year follow-up survey showed that a 40g increase in average daily alcohol consumption was associated with a 35% higher risk of stroke.
Another example is the 2016 Global Burden of Disease Report from the University of Washington in the United States, which pointed out that alcohol caused 2.8 million deaths worldwide in 2016, especially among people aged 15 to 49 years, one in ten deaths was related to alcohol consumption.
In addition, there is data showing that 1 in 18 cancer patients is related to alcohol.
Therefore, the so-called "drinking also lives long" is actually gambling on the unfortunate 1 18, and for most people, avoiding alcohol is the wiser choice. After all, we can't risk our health.
After alcohol enters the human body, it will go through a series of processes that will cause damage to the body in many ways. Here are the effects of alcohol in the human body and its effects on the body:
Absorption phase
After alcohol enters the human body, it is first absorbed through the mouth, throat, esophagus, and stomach, and in this process, alcohol can irritate these organs, which may lead to problems such as damage to the oral mucosa, inflammation of the esophagus, gastritis, etc.
Metabolic stage
Once the alcohol is absorbed, it enters the bloodstream and is transported to the liver for metabolism, where enzymes convert the alcohol into acetaldehyde, which then into acetic acid, and eventually carbon dioxide and water are excreted from the body.
In this process, the burden on the liver increases, and long-term heavy alcohol consumption may lead to liver diseases such as fatty liver, alcoholic hepatitis, cirrhosis and even liver cancer.
Affects the nervous system
Alcohol can quickly cross the blood-brain barrier and enter the brain, causing effects on the nervous system. In the short term, alcohol may trigger mental states such as excitement, agitation, and irritability, while long-term intake may lead to neurological problems such as memory loss, mental decline, and emotional instability.
Affects the cardiovascular system
Alcohol stimulates the heart, accelerates the constriction and dilatation of blood vessels, increases the burden on the heart, and long-term heavy drinking may lead to cardiovascular problems such as palpitations, chest tightness, shortness of breath, and even coronary atherosclerotic heart disease, myocardial infarction and other diseases.
Affects the digestive system
Alcohol can irritate the mucosa of the gastrointestinal tract, causing problems such as gastritis, gastric ulcers, and gastric bleeding. At the same time, alcohol can also affect the secretion of digestive enzymes, leading to indigestion, diarrhea and other symptoms.
Affects other organs
Alcohol can also have adverse effects on organs such as the pancreas, kidneys, and lungs, and long-term heavy drinking may lead to pancreatitis, nephritis, pneumonia and other diseases.
Limit the amount of alcohol you drink
Drinking alcohol in moderation is key. Everyone's alcohol tolerance is different, but in general, men should drink no more than 25 grams of pure alcohol per day, and women should drink less.
At the same time, avoid drinking alcohol on an empty stomach and can eat some foods such as meat, dairy products, etc. before drinking alcohol to slow down the absorption of alcohol.
Choose the right type of liquor
Different alcohols have different alcohol content and composition, and the effects on the human body are also different, and in general, red wine contains more polyphenols than white wine and beer, which may be beneficial for cardiovascular health. However, no matter which type of alcohol you choose, you should control the amount you drink.
Taste slowly
Don't drink a lot of alcohol in one sitting, you should taste it slowly to give your body enough time to metabolize the alcohol. At the same time, avoid drinking with carbonated beverages, which can speed up the absorption of alcohol.
Pay attention to your physical condition
If you experience physical discomfort such as dizziness, nausea, vomiting, etc., you should stop drinking alcohol immediately. In addition, people with certain medical conditions such as liver disease, stomach problems, etc., should avoid alcohol or consult a doctor's advice.
Generally speaking, the higher the alcohol content, the longer the shelf life of the liquor, because the high alcohol content of the liquor can effectively inhibit the growth of microorganisms, thus prolonging the shelf life of the liquor.
On the other hand, low-alcohol liquor is more susceptible to microbial contamination and therefore has a relatively short shelf life.
Secondly, the shelf life of liquor is also related to its packaging container, and generally speaking, glass bottles are the best packaging containers because of its good sealing and stability.
Plastic bottles and metal cans are not suitable for long-term storage of baijiu because they are prone to deformation or chemical reaction with baijiu, which affects the quality and taste of baijiu.
In addition, the shelf life of liquor is also affected by factors such as temperature, humidity, and light, and environmental factors such as high temperature, high humidity, and strong light may accelerate the aging and deterioration of liquor, so liquor should be stored in a cool, dry, and ventilated place.